Finding the Fourth Proportional to 5,065,761.55, 6,990,739.26 and 2,773,902.19
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Solution
The fourth proportional to 5,065,761.55, 6,990,739.26 and 2,773,902.19 is: 3,827,978.63
Step by Step Solution
- Step 1: Write the proportion equation
5,065,761.55 : 6,990,739.26 = 2,773,902.19 : x - Step 2: Convert to fraction form
5,065,761.55/6,990,739.26 = 2,773,902.19/x - Step 3: Cross multiply
5,065,761.55x = 6,990,739.26 × 2,773,902.19 - Step 4: Simplify right side
5,065,761.55x = 19,391,626,943,032.98 - Step 5: Solve for x
x = 19,391,626,943,032.98/5,065,761.55 - Step 6: Final answer
x = 3,827,978.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.